in vitro

[in vee-troh]

adverb

1. (of a biological process) made to occur in a laboratory vessel or other controlled experimental environment rather than within a living organism or natural setting.

in vitro

/ ɪn ˈviːtrəʊ /

adverb

1. (of biological processes or reactions) made to occur outside the living organism in an artificial environment, such as a culture medium

in vitro

1. In an artificial environment, such as a test tube.

2. Compare in vivo

in vitro

1. In the laboratory; literally, “in glass” (laboratory experiments are often carried out in glass containers). In vitro conditions are distinguished from conditions that actually apply in nature. (Compare in vivo.)

In vitro appears in the expression in vitro fertilization , a way of producing human embryos in a laboratory.

Word History and Origins

Origin of in vitro¹

First recorded in 1890–95; from Latin in vitrō, literally, “in glass”

Word History and Origins

Origin of in vitro¹

New Latin, literally: in glass

Example Sentences

"It was an in vitro and in vivo project, both providing the same outcome," Norris says.

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Further, we deployed in vitro assays such as a liposome model and cell culture techniques to investigate the mouse and the human version of the protein to find out if they work similar.

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This technology is part of a growing field aiming to make sperm and eggs outside of the body, known as in vitro gametogenesis.

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In what Abdallah described as a series of miracles, nobody was in the clinic last Saturday morning and its in vitro fertilization lab remained intact despite the mighty force of the explosion.

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There was extensive damage to American Reproductive Centers, a fertility clinic and in vitro fertilization lab across the street from Desert Regional Medical Center.

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